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         World Environment Disaster.  The world has witnessed several environmental disasters over the decades, with devastating consequences for both people and the planet. Here are some notable examples, along with their impact and key data.  1. Chernobyl nuclear disaster :-  In 1986, a nuclear explosion occurred at the Chernobyl power plant in Ukraine, releasing radioactive material into the atmosphere. The disaster caused at least 31 deaths and exposed thousands of people to radiation. The long-term health effects of the disaster are still being studied, but it is estimated that over 100,000 people were affected. 2. Deepwater Horizon oil spill :-   In 2010, an oil rig explosion in the Gulf of Mexico spilled almost 5 million barrels of oil into the ocean. The spill killed a large number of fish, marine mammals, and birds, and had lasting ecological effects on the region. The total cost of the disaster is estimated at $61.6 billion. 3...